JPH1093473A - 無線電話のアンテナ切換回路 - Google Patents

無線電話のアンテナ切換回路

Info

Publication number
JPH1093473A
JPH1093473A JP9212835A JP21283597A JPH1093473A JP H1093473 A JPH1093473 A JP H1093473A JP 9212835 A JP9212835 A JP 9212835A JP 21283597 A JP21283597 A JP 21283597A JP H1093473 A JPH1093473 A JP H1093473A
Authority
JP
Japan
Prior art keywords
antenna
node
coupled
port
switch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
JP9212835A
Other languages
English (en)
Japanese (ja)
Inventor
Jorma Matero
マテロ ジョルマ
Matti I Kangas
アイ カンガス マティ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of JPH1093473A publication Critical patent/JPH1093473A/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • H04B1/48—Transmit/receive switching in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
  • Mobile Radio Communication Systems (AREA)
JP9212835A 1996-08-07 1997-08-07 無線電話のアンテナ切換回路 Withdrawn JPH1093473A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/692,496 1996-08-07
US08/692,496 US5768691A (en) 1996-08-07 1996-08-07 Antenna switching circuits for radio telephones

Publications (1)

Publication Number Publication Date
JPH1093473A true JPH1093473A (ja) 1998-04-10

Family

ID=24780822

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9212835A Withdrawn JPH1093473A (ja) 1996-08-07 1997-08-07 無線電話のアンテナ切換回路

Country Status (4)

Country Link
US (2) US5768691A (de)
EP (1) EP0823751A3 (de)
JP (1) JPH1093473A (de)
CN (1) CN1183013A (de)

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JP2003110456A (ja) * 2001-09-27 2003-04-11 Ngk Spark Plug Co Ltd 高周波回路、複合高周波部品及びそれを用いた通信装置
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JP2007515895A (ja) * 2003-12-20 2007-06-14 テレフオンアクチーボラゲット エル エム エリクソン（パブル） アンテナを共有する多数の無線基地局を含む送受信機システム
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CN1183013A (zh) 1998-05-27
US6115585A (en) 2000-09-05
EP0823751A3 (de) 2000-04-26
EP0823751A2 (de) 1998-02-11

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